Manfrotto MHXPRO3W X-PRO 3-Way Head with Retractable Levers and Friction Controls with Two Ivation Replacement Quick Release Plates for The RC2 Rapid Connect Adapter Precise and reliable 3-way photographic head. With the levers retracted and folded for transport, the space occupied by the head is only 13cm x 13.5cm x 13.5cm Friction controls on the X-PRO 3-Way Head's tilt and portrait axes help balance the weight of camera equipment 3 leveling bubbles on the head Sturdily built with a rugged aluminium body for reliability and durability